1. and high quality2. Function via Bluetooth-enabled devices3. No functional limitations of the car radio4. Allows you to connect an external audio source5. The Product is specially made according to the car port, a wireless Bluetooth music product suitable for car use.Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high-quality audio format decoding, non-general ordinary Bluetooth function, can support DSD Large-capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts.Fitment:For Audio 20, Audio 30, Audio 50 For Comand (nur NTG2)For A-W169, B-W245 C-W203 & CLK-W209 04/04~ M-W164, -X164, R-W251 mit Audio 20, Audio 30 Audio 50 ,Comand For W169 A-For W245 B-For W203 C-For W209 CLK-For X164 -For W164 M-For W251 R-For W221 S-For R230 SL-For - (2004-2006)Installation:The adapter is connected invisibly to the back of the radioNo additional necessary for the power supplyIt is automatically recognized by the radio as a CD changer,No aux input must be unlocked consuming.Colour:BlackMaterial:ABSPackage Contents:1 x Audio Cable AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.